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12679992 = 233213192331
BaseRepresentation
bin110000010111…
…101100111000
3212212012200100
4300113230320
511221224432
61131435400
7212530623
oct60275470
925765610
1012679992
117180736
1242b5b60
13281c670
141980dba
1511a707c
hexc17b38

12679992 has 192 divisors, whose sum is σ = 41932800. Its totient is φ = 3421440.

The previous prime is 12679991. The next prime is 12680039. The reversal of 12679992 is 29997621.

12679992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 409017 + ... + 409047.

It is an arithmetic number, because the mean of its divisors is an integer number (218400).

Almost surely, 212679992 is an apocalyptic number.

12679992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12679992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20966400).

12679992 is an abundant number, since it is smaller than the sum of its proper divisors (29252808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12679992 is a wasteful number, since it uses less digits than its factorization.

12679992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 91 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 12679992 is about 3560.8976396409. The cubic root of 12679992 is about 233.1880692203.

The spelling of 12679992 in words is "twelve million, six hundred seventy-nine thousand, nine hundred ninety-two".